25b56ada48
* fix issue where viewcounts were creating a new line * conditionally add large view css * conditionally apply class based on if view count should be shown * last couple touchups * clean up the css * add scss to flow config * add scss component to flow config
120 lines
3 KiB
JavaScript
120 lines
3 KiB
JavaScript
// @flow
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import React from 'react';
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import moment from 'moment';
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const DEFAULT_MIN_UPDATE_DELTA_MS = 60 * 1000;
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type Props = {
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date?: any,
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timeAgo?: boolean,
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formatOptions?: {},
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show?: string,
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clock24h?: boolean,
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minUpdateDeltaMs?: number,
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};
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type State = {
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lastRenderTime: Date,
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};
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class DateTime extends React.Component<Props, State> {
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constructor(props: Props) {
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super(props);
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this.state = {
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lastRenderTime: new Date(),
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};
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}
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static SHOW_DATE = 'date';
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static SHOW_TIME = 'time';
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static getTimeAgoStr(date: any) {
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const suffixList = ['years', 'months', 'days', 'hours', 'minutes', 'seconds', ''];
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var duration = 0;
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for (var i = 0; i < suffixList.length; ++i) {
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// moment() is very liberal with it's rounding.
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// Always round down dates for better youtube parity.
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duration = Math.floor(moment().diff(date, suffixList[i]));
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if (duration > 0) {
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break;
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}
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}
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if (i === suffixList.length) {
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// This should never happen since we are handling up to 'seconds' now,
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// but display the English version just in case it does.
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return moment(date).from(moment());
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}
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// Strip off the 's' for the singular suffix, construct the string ID,
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// then load the localized version.
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const suffix = duration === 1 ? suffixList[i].substr(0, suffixList[i].length - 1) : suffixList[i];
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let strId = '%duration% ' + suffix + ' ago';
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if (!suffix) {
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strId = 'Just now';
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}
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return __(strId, { duration });
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}
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shouldComponentUpdate(nextProps: Props): boolean {
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if (
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moment(this.props.date).diff(moment(nextProps.date)) !== 0 ||
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this.props.clock24h !== nextProps.clock24h ||
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this.props.timeAgo !== nextProps.timeAgo ||
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this.props.minUpdateDeltaMs !== nextProps.minUpdateDeltaMs ||
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this.props.show !== nextProps.show
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) {
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return true;
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}
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if (this.props.timeAgo && nextProps.timeAgo) {
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const minUpdateDeltaMs = this.props.minUpdateDeltaMs || DEFAULT_MIN_UPDATE_DELTA_MS;
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const prev = moment(this.state.lastRenderTime);
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const curr = moment(new Date());
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const deltaMs = curr.diff(prev);
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if (deltaMs > minUpdateDeltaMs) {
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return true;
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}
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}
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return false;
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}
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componentDidUpdate() {
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const { timeAgo } = this.props;
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if (timeAgo) {
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this.setState({ lastRenderTime: new Date() });
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}
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}
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render() {
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const { date, timeAgo, show, clock24h } = this.props;
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let clockFormat = 'hh:mm A';
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if (clock24h) {
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clockFormat = 'HH:mm';
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}
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if (timeAgo) {
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if (!date) {
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return null;
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}
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return <span className="date_time" title={moment(date).format(`MMMM Do, YYYY ${clockFormat}`)}>{DateTime.getTimeAgoStr(date)}</span>;
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}
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return (
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<span className="date_time">
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{date && show === DateTime.SHOW_DATE && moment(date).format('MMMM Do, YYYY')}
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{date && show === DateTime.SHOW_TIME && moment(date).format(clockFormat)}
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{!date && '...'}
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</span>
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);
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}
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}
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export default DateTime;
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